Attachment 33096 Details for Bug 26446 – Test code

Test code

idlecounter-demo.c (text/x-csrc), 3.22 KB, created by Ross Burton on 2010-02-05 09:06:22 UTC

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Creator: Ross Burton

Created: 2010-02-05 09:06:22 UTC

Size: 3.22 KB

patch

obsolete

>//gcc -o idlecounter-demo idlecounter-demo.c `pkg-config --cflags --libs gtk+-2.0` -Wall
>
>#include <gdk/gdkx.h>
>#include <gdk/gdk.h>
>#include <gtk/gtk.h>
>
>#include <stdio.h>
>#include <string.h>
>#include <stdlib.h>
>
>#include <X11/Xlib.h>
>#include <X11/extensions/sync.h>
>
>#include <stdio.h>
>#include <string.h>
>
>static XSyncCounter idle_counter = None;
>static XSyncAlarm timeout_alarm = None;
>static XSyncAlarm reset_alarm = None;
>static Display *dpy;
>static int sync_event;
>static int timer_value;
>
>static void
>test_set_alarm (Display *dpy, XSyncAlarm *alarm, XSyncCounter counter, XSyncTestType test, XSyncValue value)
>{
>	XSyncAlarmAttributes attr;
>	XSyncValue delta;
>	unsigned int flags;
>
>	XSyncIntToValue (&delta, 0);
>
>	attr.trigger.counter = counter;
>	attr.trigger.value_type = XSyncAbsolute;
>	attr.trigger.test_type = test;
>	attr.trigger.wait_value = value;
>	attr.delta = delta;
>
>	flags = XSyncCACounter | XSyncCAValueType | XSyncCATestType | XSyncCAValue | XSyncCADelta;
>
>	if (*alarm)
>		XSyncChangeAlarm (dpy, *alarm, flags, &attr);
>	else
>		*alarm = XSyncCreateAlarm (dpy, flags, &attr);
>}
>
>/**
> * test_filter_cb:
> */
>static GdkFilterReturn
>test_filter_cb (GdkXEvent *gdkxevent, GdkEvent *gdkevent, gpointer data)
>{
>	static gint count = 0;
>	XEvent *xevent = (XEvent *) gdkxevent;
>	XSyncAlarmNotifyEvent *alarm_event;
>	XSyncValue timeout;
>
>	/* no point continuing */
>	if (xevent->type != sync_event + XSyncAlarmNotify)
>		return GDK_FILTER_CONTINUE;
>
>	alarm_event = (XSyncAlarmNotifyEvent *) xevent;
>
>	if (alarm_event->alarm == timeout_alarm) {
>		g_debug ("Timeout %i", count++);
>
>		/* Don't match on the current value because
>		 * XSyncNegativeComparison means less or equal. */
>		int overflow;
>		XSyncValue add;
>		XSyncValue plusone;
>		XSyncIntToValue (&add, -1);
>		XSyncValueAdd (&plusone, alarm_event->counter_value, add, &overflow);
>
>		/* Set the reset alarm to fire the next time
>		 * idle_counter < the current counter value */
>		test_set_alarm (dpy, &reset_alarm, idle_counter, XSyncNegativeTransition, plusone);
>
>	} else if (alarm_event->alarm == reset_alarm) {
>
>		g_debug ("Reset");
>		XSyncIntToValue (&timeout, timer_value);
>		test_set_alarm (dpy, &timeout_alarm, idle_counter, XSyncPositiveTransition, timeout);
>	}
>
>	return GDK_FILTER_CONTINUE;
>}
>
>int
>main (int argc, char **argv)
>{
>	int sync_error;
>	int sync_major, sync_minor;
>	int ncounters;
>	XSyncSystemCounter *counters;
>	XSyncValue timeout;
>	gint i;
>
>	gtk_init (&argc, &argv);
>	dpy = GDK_DISPLAY ();
>
>	if (!XSyncQueryExtension (dpy, &sync_event, &sync_error)) {
>		g_debug ("No Sync extension");
>		return 1;
>	}
>
>	XSyncInitialize (dpy, &sync_major, &sync_minor);
>	counters = XSyncListSystemCounters (dpy, &ncounters);
>
>	if (argc > 1)
>		timer_value = atoi (argv[1]);
>	else
>		timer_value = 5000;
>
>	for (i = 0; i < ncounters && !idle_counter; i++) {
>		if (!strcmp(counters[i].name, "IDLETIME"))
>			idle_counter = counters[i].counter;
>	}
>
>	if (!idle_counter) {
>		g_debug ("No idle counter");
>		return 1;
>	}
>
>	/* setup timeout */
>	XSyncIntToValue (&timeout, timer_value);
>	test_set_alarm (dpy, &timeout_alarm, idle_counter, XSyncPositiveTransition, timeout);
>
>	/* catch the timer alarm */
>	g_debug ("Adding filter");
>	gdk_window_add_filter (NULL, test_filter_cb, NULL);
>
>	g_debug ("Waiting for timeout");
>	gtk_main ();
>	return 0;
>}
>

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